EP3837310A1 - Kautschukmischungen - Google Patents
KautschukmischungenInfo
- Publication number
- EP3837310A1 EP3837310A1 EP19752167.7A EP19752167A EP3837310A1 EP 3837310 A1 EP3837310 A1 EP 3837310A1 EP 19752167 A EP19752167 A EP 19752167A EP 3837310 A1 EP3837310 A1 EP 3837310A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rubber
- weight
- general formula
- mixtures according
- rubber mixtures
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/37—Thiols
- C08K5/372—Sulfides, e.g. R-(S)x-R'
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/548—Silicon-containing compounds containing sulfur
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Definitions
- the present invention relates to rubber mixtures, a process for their preparation and their use.
- Si 266® Processing aid for VP Si 363®
- the addition of Si 266® can improve the Mooney viscosity and the Mooney Scorch behavior (http://automotive.evonik.com/product/ automotive / en / innovations / fuel-savinqs- emission-reduction / Paqes / si363.aspx).
- the object of the invention is to produce rubber mixtures with silane mixtures which have improved dynamic properties and improved abrasion resistance.
- the invention relates to rubber mixtures which are characterized in that they contain at least one rubber, at least one mercaptosilane of the general formula I,
- R 1 3 Si-R 2 -SR 3 I and contain at least one mixture of polysulfanes of the formula II R 1 3 Si-R 2 -Sx-R 2 -SiR 1 3 II,
- R 1 is the same or different and an alkyl polyether group -0- (R 4 -0) m -R 5 ,
- C1 -C12 alkyl or R 6 0 group preferably at least one R 1 group of the mercaptosilane of the general formula I can be an alkyl polyether group -0- (R 4 -0) m -R 5 ,
- R 2 is a branched or unbranched, saturated or unsaturated, aliphatic, aromatic or mixed aliphatic / aromatic divalent C1 -C30
- Hydrocarbon group preferably (CH2) 3 group
- R 4 identical or different, a branched or unbranched aliphatic double-bonded C1 -C30 hydrocarbon group, preferably C2-C3, particularly preferably CH2CH2, m is 1 to 30, preferably 2-10, particularly preferably 5,
- R 5 consists of at least 1 carbon atoms and an unsubstituted or substituted, branched or unbranched monovalent alkyl, alkenyl, aryl or aralkyl group, preferably C1-C15-alkyl group, particularly preferably C7-C15-alkyl group, very particularly preferably Ci3H 27 -alkyl group is is
- R 6 is H, C1 -C30 branched or unbranched monovalent alkyl, preferably methyl, ethyl or propyl, particularly preferably ethyl, alkenyl, aryl or aralkyl group,
- R 7 is C1 -C30 branched or unbranched monovalent alkyl, preferably methyl,
- the rubber may preferably be a diene rubber.
- Mercaptosilanes of the general formula I can also contain oligomers or polymers of the mercaptosilanes of the general formula I.
- Polysulfanes of the general formula II can be:
- Polysulfanes of the general formula II can also contain oligomers or polymers of the polysulfanes of the general formula II.
- the mercaptosilane of the formula I (C13H27- (0CH2CH2) 5-0-) 3 Si (CH2) 3-SH, (Cl3H27- (0CH2CH2) 5-0-) 2 (CH3CH2O-) Si ( CH2) 3-SH, (Ci3H 27 - (0CH 2 CH 2 ) 5-0-) (CH 3 CH 2 0-) 2 Si (CH 2 ) 3-SH, or mixtures of the aforementioned silanes and the polysulfane general formula II (CFl3CFl20) 3Si- (CFl2) 3-Sx- (CH2) 3- Si (OCH2CH3) 3 .
- the rubber mixture can the silane of the general formula I in amounts of 0.1 to 8 parts by weight, based on 100 parts by weight of the rubber used, and the mixture of polysulfanes of the formula II in amounts of 0.1 to 8 parts . Parts, based on 100 parts by weight of the rubber used.
- the rubber mixture can contain at least one filler.
- fillers can be used as fillers for the rubber mixtures according to the invention:
- Carbon blacks The carbon blacks to be used here can be produced using the flame black, furnace, gas black or thermal black process.
- the carbon blacks can have a BET surface area of 20 to 200 m 2 / g.
- the carbon blacks can optionally also be doped, such as with Si.
- Amorphous silicas preferably precipitated silicas or pyrogenic ones
- the amorphous silicas can have a specific surface area of 5 to 1000 m 2 / g, preferably 20 to 400 m 2 / g (BET surface area) and a
- the silicas can be any suitable material.
- the silicas can be any suitable material.
- metal oxides such as Al, Mg, Ca, Ba, Zn and titanium oxides.
- Synthetic silicates such as aluminum silicate or alkaline earth silicates, for example magnesium silicate or calcium silicate.
- the synthetic silicates with BET surface areas from 20 to 400 m 2 / g and primary particle diameters from 10 to 400 nm.
- Natural silicates such as kaolin and other naturally occurring silicas.
- Glass fiber and glass fiber products (mats, strands) or micro glass balls.
- Amorphous silicas particularly preferably precipitated silicas or silicates, particularly preferably precipitated silicas with a BET surface area of 20 to 400 m 2 / g in amounts of 5 to 180 parts by weight, based in each case on 100 parts by weight of rubber, are used.
- the rubber mixtures according to the invention can be natural rubber and / or
- Styrene / butadiene copolymers for example emulsion SBR (E-SBR) or solution SBR (L-SBR), preferably with a styrene content of 1 to 60% by weight, particularly preferably 2 to 50% by weight, based on the total polymer,
- E-SBR emulsion SBR
- L-SBR solution SBR
- IIR Isobutylene / isoprene copolymers
- Butadiene / acrylonitrile copolymers preferably with an acrylonitrile content of 5 to 60% by weight, preferably 10 to 50% by weight, based on the total polymer (NBR), partially hydrogenated or fully hydrogenated NBR rubber (HNBR),
- Ethylene / propylene / diene copolymers or the abovementioned rubbers which additionally have functional groups, such as e.g. Carboxy, silanol or epoxy groups, for example epoxidized NR, carboxy-functionalized NBR or silanol (-SiOH) or siloxy-functionalized (-Si-OR), amino-epoxy, mercapto, hydroxy-functionalized SBR, and mixtures these rubbers.
- functional groups such as e.g. Carboxy, silanol or epoxy groups, for example epoxidized NR, carboxy-functionalized NBR or silanol (-SiOH) or siloxy-functionalized (-Si-OR), amino-epoxy, mercapto, hydroxy-functionalized SBR, and mixtures these rubbers.
- functional groups such as e.g. Carboxy, silanol or epoxy groups, for example epoxidized NR, carboxy-functionalized NBR or silan
- Rubber mixtures containing mercapto-modified S-SBR and polysulfanes of the general formula II can also lead to an improvement in processability without the addition of silanes of the general formula I.
- the rubber auxiliaries can be used in known amounts, which depend inter alia on the intended use. Usual amounts can be, for example, amounts of 0.1 to 50 parts by weight, based on 100 parts by weight of rubber. Peroxides, sulfur or sulfur donating substances can be used as crosslinkers.
- the rubber mixtures according to the invention can moreover
- Vulcanization accelerator included.
- suitable vulcanization accelerators can be mercaptobenzthiazoles, sulfenamides, thiurams, dithiocarbamates, thioureas and thiocarbonates.
- the vulcanization accelerators and sulfur can be used in amounts of 0.1 to 10 parts by weight, preferably 0.1 to 5 parts by weight, based on 100 parts by weight
- Another object of the invention is a method for producing the
- Rubber mixtures according to the invention which is characterized in that at least one rubber, at least one mercaptosilane of the general formula I,
- R 1 3 Si-R 2 -SR 3 I and at least one mixture of polysulfanes of the formula II R 1 3 Si-R 2 -Sx-R 2 -SiR 1 3 II
- Polysulfanes of the formula II and the addition of the fillers can be carried out at melt temperatures of 100 to 200 ° C. However, it can also be used at lower temperatures of 40 to 100 ° C, for example, but not restrictively, together with others
- Rubber auxiliaries The mercaptosilane of the general formula I and the mixture of polysulfanes of the formula II can be added to the rubber mixture individually or premixed.
- the mercaptosilane of the formula I can be added to the mixing process both in pure form and in the form of a suspension on an inert organic or inorganic carrier, and prereacted with an organic or inorganic carrier.
- the mixture of polysulfanes of the formula II can be added to the mixing process either in pure form or in the form of an inert organic or inorganic carrier, and pre-reacted with an organic or inorganic carrier.
- Preferred carrier materials can be precipitated or pyrogenic silicas, waxes, thermoplastics, natural or synthetic silicates, natural or synthetic oxides, preferably aluminum oxide, or carbon blacks. Furthermore, the silanes can also be added to the mixing process in a pre-reacted manner with the filler to be used.
- the rubber mixtures according to the invention can be vulcanized at temperatures from 100 to 200 ° C., preferably 120 to 180 ° C., optionally under a pressure of 10 to 200 bar.
- Rubber auxiliaries and the silanes can be carried out in known mixing units, such as rollers, internal mixers and
- the rubber mixtures according to the invention can be used to secure molded articles, for example for the manufacture of pneumatic tires, tire treads, cable sheaths,
- Sealing rings and damping elements can be used.
- the rubber mixtures according to the invention can be produced without the addition of guanidines.
- the rubber mixture can be free from guanidine derivatives, preferably diphenylguanidine.
- the rubber mixtures according to the invention have the advantage that they have better dynamic properties and abrasion resistance.
- S2 content 93.6% by weight
- S3 content 6.1% by weight
- S4 content 0.2% by weight
- S5 content 0.0% by weight
- S6- Content 0.0% by weight
- S7 content 0.0% by weight
- S8 content 0.0% by weight
- S9 content 0.0% by weight
- S10 content 0.0% by weight, average sulfur chain length 2.06.
- S2 content 93.4% by weight
- S3 content 6.4% by weight
- S4 content 0.2% by weight
- S5 content 0.0% by weight
- S6- Content 0.0% by weight
- S7 content 0.0% by weight
- S8 content 0.0% by weight
- S9 content 0.0% by weight
- S10 content 0.0% by weight, average sulfur chain length 2.06.
- Example 3 Rubber-technical investigations The formulation used for the rubber mixtures is given in Table 1 below.
- the unit phr means parts by weight, based on 100 parts of the raw rubber used.
- Buna VSL 4526-2 Buna ® VSL 4526-2 HM is a solution styrene-butadiene rubber which is stretched with 37.5 phr TDAE- ⁇ I; Mooney (1 +4 @ 100 ° C): 62 ME; Vinyl: 44.5%; Styrene: 26% of ARLANXEO Deutschland GmbH b) Buna CB 24: Buna ® CB 24 (cis-1, 4>96%); neodymium-catalyzed butadiene rubber;
- Si 266 ® bis (triethoxysilylpropyl) disulfide from Evonik Resource Efficiency GmbH S2 content: 84.5% by weight, S3 content: 14.4% by weight, S4 content: 1.1% by weight. %, S5 content: 0.1% by weight, S6 content: 0.0% by weight, S7 content: 0.0% by weight, S8 content: 0.0% by weight , S9 content: 0.0% by weight, S10 content: 0.0% by weight, average sulfur chain length 2.16.
- Vulkanox ® 4020 / LG L / - (1.S-dimethylbutylJ-W-phenyl-p-phenylene diamine (6PPD) from LANXESS Deutschland GmbH.
- Vulkanox ® HS / LG polymeric 2,2,4- trimethyl-1,2-dihydroquinoline (TMQ), from LANXESS Deutschland GmbH.
- the vulcanization takes place at a temperature of 165 ° C in a typical
- Vulcanization press with a holding pressure of 120 bar.
- the necessary vulcanization time is determined beforehand using Moving Die Rheometer (rotorless vulkameter) according to ISO 6502 (section 3.2 "rotorless curemeter”) at 165 ° C (see Table 4).
- Table 4 shows the rubber data for the raw mixtures and vulcanizates.
- a disulfide silane such as Si 266 ® can improve the processability of the mercaptosilane Si 363 TM.
- Rubber mixture 3 can be achieved. In this mixture, the 1 10% time is surprisingly extended even further.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RS20221066A RS63748B1 (sr) | 2018-08-16 | 2019-08-06 | Smeše gume |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018213774.9A DE102018213774A1 (de) | 2018-08-16 | 2018-08-16 | Kautschukmischungen |
| PCT/EP2019/071109 WO2020035353A1 (de) | 2018-08-16 | 2019-08-06 | Kautschukmischungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3837310A1 true EP3837310A1 (de) | 2021-06-23 |
| EP3837310B1 EP3837310B1 (de) | 2022-10-05 |
Family
ID=67551546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19752167.7A Active EP3837310B1 (de) | 2018-08-16 | 2019-08-06 | Kautschukmischungen |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US20210292520A1 (de) |
| EP (1) | EP3837310B1 (de) |
| JP (1) | JP7411637B2 (de) |
| KR (1) | KR102696145B1 (de) |
| CN (1) | CN112566971B (de) |
| BR (1) | BR112021002827B1 (de) |
| CA (1) | CA3109416A1 (de) |
| DE (1) | DE102018213774A1 (de) |
| ES (1) | ES2931820T3 (de) |
| FI (1) | FI3837310T3 (de) |
| HU (1) | HUE060499T2 (de) |
| IL (1) | IL280805B2 (de) |
| MX (1) | MX2021001760A (de) |
| MY (1) | MY199387A (de) |
| PH (1) | PH12021550295A1 (de) |
| PL (1) | PL3837310T3 (de) |
| PT (1) | PT3837310T (de) |
| RS (1) | RS63748B1 (de) |
| UA (1) | UA127277C2 (de) |
| WO (1) | WO2020035353A1 (de) |
| ZA (1) | ZA202101619B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115368573A (zh) * | 2021-11-22 | 2022-11-22 | 北京化工大学 | 含聚醚链段的硅烷聚合体、含有其的橡胶复合材料及其制法 |
| US20250257193A1 (en) | 2022-04-26 | 2025-08-14 | Momentive Performance Materials Gmbh | Stabilized compositions of sulfur silanes with high mercapto content |
| CN117165103B (zh) * | 2022-05-25 | 2026-03-31 | 北京化工大学 | 一种废旧轮胎热裂解炭黑的改性方法及其所得炭黑 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2360470A1 (de) * | 1973-12-05 | 1975-06-12 | Dynamit Nobel Ag | Bis-eckige klammer auf gamma -(trialkoxisilyl)-propyl eckige klammer zu disulfide hoher reinheit |
| US5580919A (en) * | 1995-03-14 | 1996-12-03 | The Goodyear Tire & Rubber Company | Silica reinforced rubber composition and use in tires |
| DE19819373A1 (de) * | 1998-04-30 | 1999-11-04 | Degussa | Verfahren zur Herstellung von Gemischen von Organosiliciumoligosulfanen mit einem hohen Anteil an Organanosiliciumdisulfanen |
| ATE314381T1 (de) * | 2001-08-06 | 2006-01-15 | Degussa | Organosiliciumverbindungen |
| DE102004061014A1 (de) * | 2004-12-18 | 2006-06-29 | Degussa Ag | Kautschukmischungen |
| DE102005057801A1 (de) | 2005-01-20 | 2006-08-03 | Degussa Ag | Mercaptosilane |
| DE102006008670A1 (de) | 2006-02-24 | 2007-08-30 | Degussa Gmbh | Kautschukmischungen |
| DE102008010111A1 (de) * | 2008-02-20 | 2009-09-03 | Continental Aktiengesellschaft | Verfahren zur Herstellung einer Kautschukmischung |
| JP5563419B2 (ja) | 2010-10-12 | 2014-07-30 | 住友ゴム工業株式会社 | タイヤ用ゴム組成物、その製造方法及び空気入りタイヤ |
| IT1403425B1 (it) | 2010-12-23 | 2013-10-17 | Bridgestone Corp | Metodo per la preparazione di una mescola per battistrada |
| JP5986106B2 (ja) * | 2010-12-30 | 2016-09-06 | 株式会社ブリヂストン | 改善されたビス−シラン補強性能を有するゴム組成物 |
| ES2444782T3 (es) * | 2011-04-01 | 2014-02-26 | Evonik Degussa Gmbh | Mixturas de caucho |
| JP2013129696A (ja) | 2011-12-20 | 2013-07-04 | Bridgestone Corp | ゴム組成物の製造方法 |
| DE102015224450A1 (de) * | 2015-12-07 | 2017-06-08 | Evonik Degussa Gmbh | Kautschukmischungen |
| GB201801882D0 (en) * | 2018-02-06 | 2018-03-21 | Apollo Tyres Global R & D Bv | Rubber composition for tyres with good wet grip and rolling resistance properties |
-
2018
- 2018-08-16 DE DE102018213774.9A patent/DE102018213774A1/de not_active Withdrawn
-
2019
- 2019-08-06 MY MYPI2021000775A patent/MY199387A/en unknown
- 2019-08-06 PT PT197521677T patent/PT3837310T/pt unknown
- 2019-08-06 UA UAA202101114A patent/UA127277C2/uk unknown
- 2019-08-06 JP JP2021507801A patent/JP7411637B2/ja active Active
- 2019-08-06 EP EP19752167.7A patent/EP3837310B1/de active Active
- 2019-08-06 PL PL19752167.7T patent/PL3837310T3/pl unknown
- 2019-08-06 RS RS20221066A patent/RS63748B1/sr unknown
- 2019-08-06 CA CA3109416A patent/CA3109416A1/en active Pending
- 2019-08-06 IL IL280805A patent/IL280805B2/en unknown
- 2019-08-06 HU HUE19752167A patent/HUE060499T2/hu unknown
- 2019-08-06 ES ES19752167T patent/ES2931820T3/es active Active
- 2019-08-06 FI FIEP19752167.7T patent/FI3837310T3/de active
- 2019-08-06 MX MX2021001760A patent/MX2021001760A/es unknown
- 2019-08-06 CN CN201980053183.4A patent/CN112566971B/zh active Active
- 2019-08-06 US US17/260,137 patent/US20210292520A1/en not_active Abandoned
- 2019-08-06 BR BR112021002827-7A patent/BR112021002827B1/pt active IP Right Grant
- 2019-08-06 WO PCT/EP2019/071109 patent/WO2020035353A1/de not_active Ceased
- 2019-08-06 KR KR1020217007397A patent/KR102696145B1/ko active Active
-
2021
- 2021-02-09 PH PH12021550295A patent/PH12021550295A1/en unknown
- 2021-03-10 ZA ZA2021/01619A patent/ZA202101619B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA202101619B (en) | 2022-06-29 |
| US20210292520A1 (en) | 2021-09-23 |
| CA3109416A1 (en) | 2020-02-20 |
| MX2021001760A (es) | 2021-04-19 |
| PL3837310T3 (pl) | 2023-01-09 |
| BR112021002827B1 (pt) | 2023-11-28 |
| HUE060499T2 (hu) | 2023-03-28 |
| IL280805A (en) | 2021-04-29 |
| PT3837310T (pt) | 2022-12-02 |
| KR102696145B1 (ko) | 2024-08-20 |
| CN112566971B (zh) | 2022-12-09 |
| DE102018213774A1 (de) | 2020-02-20 |
| IL280805B1 (en) | 2023-09-01 |
| MY199387A (en) | 2023-10-25 |
| PH12021550295A1 (en) | 2021-10-11 |
| BR112021002827A2 (pt) | 2021-05-04 |
| UA127277C2 (uk) | 2023-07-05 |
| JP7411637B2 (ja) | 2024-01-11 |
| FI3837310T3 (fi) | 2023-01-13 |
| EP3837310B1 (de) | 2022-10-05 |
| JP2021534291A (ja) | 2021-12-09 |
| WO2020035353A1 (de) | 2020-02-20 |
| ES2931820T3 (es) | 2023-01-02 |
| IL280805B2 (en) | 2024-01-01 |
| CN112566971A (zh) | 2021-03-26 |
| KR20210045427A (ko) | 2021-04-26 |
| RS63748B1 (sr) | 2022-12-30 |
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